changes

2025-12-13 11:43:58 +08:00 · 2023-03-09 02:42:50 +08:00
parent ba4905122f
commit 74bc2f401d
57 changed files with 4735 additions and 4739 deletions
--- a/app/compress/Imagick/class.Imgcompress.php
+++ b/app/compress/Imagick/class.Imgcompress.php
@@ -0,0 +1,123 @@
+<?php
+
+/**
+ * @param string $src 源图
+ * @param float $percent 压缩比例
+ * 简单图床修改版
+ * 此类压缩单文件
+ * https://www.cnblogs.com/jiji/p/12928028.html
+ */
+
+
+
+class Imgcompress
+{
+    private $src;
+    private $image;
+    private $imageinfo;
+    private $percent = 0.5;
+
+    /**
+     * 图片压缩
+     * @param string $src 源图
+     * @param float $percent 压缩比例
+     */
+    public function __construct($src, $percent = 1)
+    {
+        $this->src = $src;
+        $this->percent = $percent;
+    }
+
+    /** 高清压缩图片
+     * @param string $saveName 提供图片名（可不带扩展名，用源图扩展名）用于保存。或不提供文件名直接显示
+     */
+    public function compressImg($saveName = '')
+    {
+        $this->_openImage();
+        if (!empty($saveName)) $this->_saveImage($saveName);  //保存
+        else $this->_showImage();
+    }
+
+    /**
+     * 内部：打开图片
+     */
+    private function _openImage()
+    {
+        list($width, $height, $type, $attr) = getimagesize($this->src);
+        $this->imageinfo = array(
+            'width' => $width,
+            'height' => $height,
+            'type' => image_type_to_extension($type, false),
+            'attr' => $attr
+        );
+        $fun = "imagecreatefrom" . $this->imageinfo['type'];
+        $this->image = $fun($this->src);
+        $this->_thumpImage();
+    }
+
+    /**
+     * 内部：操作图片
+     */
+    private function _thumpImage()
+    {
+        $new_width = $this->imageinfo['width'] * $this->percent;
+        $new_height = $this->imageinfo['height'] * $this->percent;
+        $image_thump = imagecreatetruecolor($new_width, $new_height);
+        /**
+         * 保留图片透明通道 
+         * 简单图床 EasyImage 2.0 2021-5-9 21:48:59 
+         * 参考: https://www.imooc.com/wenda/detail/581249
+         */
+        imagealphablending($image_thump, false);
+        imagesavealpha($image_thump, true);
+
+        //将原图复制带图片载体上面，并且按照一定比例压缩,极大的保持了清晰度
+        imagecopyresampled($image_thump, $this->image, 0, 0, 0, 0, $new_width, $new_height, $this->imageinfo['width'], $this->imageinfo['height']);
+
+        imagedestroy($this->image);
+        $this->image = $image_thump;
+    }
+
+    /**
+     * 输出图片:保存图片则用saveImage()
+     */
+    private function _showImage()
+    {
+        header('Content-Type: image/' . $this->imageinfo['type']);
+        $funcs = "image" . $this->imageinfo['type'];
+        $funcs($this->image);
+    }
+
+    /**
+     * 保存图片到硬盘：
+     * @param  string $dstImgName 1、可指定字符串不带后缀的名称，使用源图扩展名 。2、直接指定目标图片名带扩展名。
+     */
+    private function _saveImage($dstImgName)
+    {
+        if (empty($dstImgName)) return false;
+        $allowImgs = array('.jpg', '.jpeg', '.png', '.bmp', '.wbmp', '.gif','.webp');   // 如果目标图片名有后缀就用目标图片扩展名 后缀，如果没有，则用源图的扩展名
+        $dstExt = strrchr($dstImgName, ".");
+        $sourseExt = strrchr($this->src, ".");
+        if (!empty($dstExt)) $dstExt = strtolower($dstExt);
+        if (!empty($sourseExt)) $sourseExt = strtolower($sourseExt);
+
+        //有指定目标名扩展名
+        if (!empty($dstExt) && in_array($dstExt, $allowImgs)) {
+            $dstName = $dstImgName;
+        } elseif (!empty($sourseExt) && in_array($sourseExt, $allowImgs)) {
+            $dstName = $dstImgName . $sourseExt;
+        } else {
+            $dstName = $dstImgName . $this->imageinfo['type'];
+        }
+        $funcs = "image" . $this->imageinfo['type'];
+        $funcs($this->image, $dstName);
+    }
+
+    /**
+     * 销毁图片
+     */
+    public function __destruct()
+    {
+        imagedestroy($this->image);
+    }
+}
--- a/app/compress/TinyImg/TinyImg.php
+++ b/app/compress/TinyImg/TinyImg.php
@@ -0,0 +1,76 @@
+<?php
+
+/**
+ * Created by PhpStorm.
+ * User: Zhang He
+ * Date: 2015/6/8
+ * Time: 10:14
+ * https://www.cnblogs.com/CheeseZH/p/4566068.html
+ */
+
+class TinyImg
+{
+    /*Compress all images in folder $inputFolder and save final images in folder $outputFolder*/
+    public function compressImgsFolder($key, $inputFolder, $outputFolder)
+    {
+        $images = $this->getFiles($inputFolder);
+        if (empty($images)) {
+            return false;
+        }
+        foreach ($images as $image) {
+            $input = $inputFolder . $image;
+            $output = $outputFolder . $image;
+            print($input . " => 源文件<br>");
+            print($output . " => 成功文件<br>");
+            $this->compressImg($key, $input, $output);
+        }
+        return true;
+    }
+    /*Compress one image $input and save as $output*/
+    public function compressImg($key, $input, $output)
+    {
+        $url = "https://api.tinify.com/shrink";
+        $options = array(
+            "http" => array(
+                "method" => "POST",
+                "header" => array(
+                    "Content-type: image/png",
+                    "Authorization: Basic " . base64_encode("api:$key")
+                ),
+                "content" => file_get_contents($input)
+            ),
+            "ssl" => array(
+                /* Uncomment below if you have trouble validating our SSL certificate.
+                   Download cacert.pem from: http://curl.haxx.se/ca/cacert.pem */
+                "cafile" => __DIR__ . "/cacert.pem",
+                "verify_peer" => true
+            )
+        );
+
+        $result = fopen($url, "r", false, stream_context_create($options));
+        if ($result) {
+            /* Compression was successful, retrieve output from Location header. */
+            foreach ($http_response_header as $header) {
+                if (strtolower(substr($header, 0, 10)) === "location: ") {
+                    file_put_contents($output, fopen(substr($header, 10), "rb", false));
+                }
+            }
+        } else {
+            /* Something went wrong! */
+            print("Compression failed<br>");
+        }
+    }
+    //get all files' fullname in $filedir
+    public function getFiles($filedir)
+    {
+        $files = [];
+        $dir = @dir($filedir);
+        while (($file = $dir->read()) != false) {
+            if ($file != "." and $file != "..") {
+                $files[] = $file;
+            }
+        }
+        $dir->close();
+        return $files;
+    }
+}
--- a/app/compress/TinyImg/cacert.pem
+++ b/app/compress/TinyImg/cacert.pem
--- a/app/compress/function.compress.php
+++ b/app/compress/function.compress.php
@@ -0,0 +1,54 @@
+<?php
+
+/**
+ * 压缩文件函数调用位置
+ */
+require_once __DIR__ . '/../function.php';
+require_once APP_ROOT . '/app/compress/Imagick/class.Imgcompress.php';
+require_once APP_ROOT . '/app/compress/TinyImg/TinyImg.php';
+require_once APP_ROOT . '/config/api_key.php';
+
+/**
+ * @param string $floder 文件夹
+ * @param string 压缩方式Imgcompress / TinyPng
+ */
+function compress($floder, $type = 'Imgcompress', $source = '')
+{
+    global $config;
+    ini_set('max_execution_time', '0');  // 脚本运行的时间（以秒为单位）0不限制
+
+    if ($type == 'Imgcompress') {
+
+        $pic = getFile($floder);    // 文件夹路径
+        $percent = $config['compress_ratio'] / 100; // 压缩率
+        foreach ($pic as $value) {
+            $boxImg = $floder . $value;
+            // 跳过动态图片
+            if (!isGifAnimated($boxImg)) {
+                $img = new Imgcompress($boxImg, $percent);
+                $img->compressImg($boxImg);
+                echo '<pre>' . $boxImg . '</pre><br />';
+                // 释放
+                ob_flush();
+            }
+        }
+    }
+
+    if ($type == 'TinyPng') {
+        if (empty($config['TinyPng_key'])) {
+            exit('请先申请TinyPng key并保存再试!');
+        }
+        $folder =  '..' . $config['path'] . $source;
+        $tinyImg = new TinyImg();
+        $key = $config['TinyPng_key'];
+        $input = $folder; //这个文件夹下的文件会被压缩
+        $output = $folder; //压缩的结果会被保存到这个文件夹中
+        $tinyImg->compressImgsFolder($key, $input, $output);
+    }
+}
+
+/* Test
+$floder = 'D:/phpStudy/WWW/i/2021/05/09/';
+compress($floder, 'TinyImg');
+echo 666;
+*/